BeagleBone Black images keep getting corrupted

[Gábor Paller]

John, is it enough to sync the boot partition? E.g. in /etc/fstab:

Before:
/dev/mmcblk0p1 /boot/uboot auto defaults 0 2
After:
/dev/mmcblk0p1 /boot/uboot auto rw,suid,dev,exec,auto,nouser,sync 0 2

Is this what you have in mind?


On Tue, Apr 28, 2015 at 9:56 PM, John Lenton <john.lenton at canonical.com>
wrote:

> Víctor, are you still seeing this with the images that mount boot with the
> "sync" option?
>
> On 28 April 2015 at 19:31, Gábor Paller <gaborpaller at gmail.com> wrote:
>
>> it also happened to me many times. ever since i started shutting down the
>> system properly (shutdown -h now), the problem disappeared. it seems to be
>> related to switching off the power unexpectedly (unexpectedly for the
>> system).
>>
>> regards,
>> gabor
>> On 28 Apr 2015 8:26 pm, "Víctor Mayoral Vilches" <victor at erlerobot.com>
>> wrote:
>>
>>> Hi there,
>>>
>>> At Erle Robotics we've been doing quite a bit of testing with Snappy and
>>> we honestly love it.
>>>
>>> Unfortunately the images get corrupted from time to time and that makes
>>> it really troublesome. The reason seems to be related to a bad shutdown
>>> process where some files in the *system-boot* partition get corrupted
>>> (if not the whole partition itself). When dealing with drones we connect
>>> and disconnect the batteries as needed thereby we constantly reproduce this
>>> problem.
>>>
>>> After the image goes wrong the only noticeable change is that the
>>> *system-boot* partition seems wrong. When booting with a corrupted
>>> image we get this behavior
>>> <https://gist.github.com/anonymous/ad19776c93eccd2d1d43> (it ends up
>>> switching into eMMC)
>>>
>>> When inspecting the system-boot partition:
>>>
>>> *cat snappy-system.txt *
>>> *cat: snappy-system.txt: Input/output error*
>>>
>>> And for some reason, the whole system-boot partition seems wrong since
>>> there's no way to edit it (complains about permissions and read-only file
>>> system, tested with root and tried also repairing the partition but it did
>>> not help).
>>>
>>> This is an issue that appeared a while ago and we hoped it'll get solved
>>> eventually but keeps coming in newer images and many users might have
>>> experienced it.
>>>
>>> Has anyone looked into this? Help would be much appreciated.
>>> Kind regards,
>>>
>>> *Víctor Mayoral Vilches*
>>> CTO & Co-Founder
>>>
>>>
>>>
>>> *Erle Robotics*
>>> erlerobotics.com | victor at erlerobot.com
>>> +34 616151561
>>> *skype*: v.mayoral
>>>
>>>
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>>>
>>>
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